{"id":2484,"date":"2026-06-18T10:20:00","date_gmt":"2026-06-18T10:20:00","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=2484"},"modified":"2026-07-07T07:26:57","modified_gmt":"2026-07-07T07:26:57","slug":"butterfly-valve-leakage-class-explained","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/fa\/blog\/butterfly-valve\/butterfly-valve-leakage-class-explained\/","title":{"rendered":"\u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a"},"content":{"rendered":"

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\u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0646\u062d\u0648\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0646\u0634\u062a\u06cc \u0631\u0627 \u062a\u0648\u0636\u06cc\u062d \u0645\u06cc\u200c\u062f\u0647\u062f\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u06cc\u0631\u0647\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0646\u0631\u0645 \u0648 \u0633\u06cc\u062a \u0641\u0644\u0632\u06cc \u0631\u0627 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0639\u0648\u0627\u0645\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0631 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u062f\u0631 \u062d\u06cc\u0646 \u06a9\u0627\u0631 \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u0646\u062f\u060c \u062a\u0634\u0631\u06cc\u062d \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n

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\"\u062a\u0635\u0648\u06cc\u0631\u06cc<\/figure>\n\n\n\n

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    \n
  • ANSI\/FCI 70-2<\/strong>: \u0628\u0647 \u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u0628\u0631\u0627\u06cc \u0634\u06cc\u0631\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc I \u062a\u0627 VI \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0646\u0634\u062a\u06cc \u0628\u0647 \u062a\u062f\u0631\u06cc\u062c \u0633\u062e\u062a\u200c\u062a\u0631 \u062f\u0627\u0631\u0646\u062f.<\/li>\n\n\n\n
  • API 598<\/strong>: \u0628\u0631\u0627\u06cc \u0634\u06cc\u0631\u0647\u0627\u06cc \u0627\u06cc\u0632\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0634\u06cc\u0631\u0647\u0627 \u0628\u0627 \u0633\u06cc\u062a \u0641\u0644\u0632\u06cc \u0648 \u0633\u06cc\u062a \u0627\u0631\u062a\u062c\u0627\u0639\u06cc (\u0646\u0631\u0645) \u0631\u0627 \u0628\u0627 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u062a\u0645\u0627\u06cc\u0632 \u0627\u0632 \u0647\u0645 \u062c\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n

    \u0628\u0627\u0632\u0627\u0631\u0647\u0627\u06cc \u0627\u0631\u0648\u067e\u0627\u06cc\u06cc \u0648 \u0628\u06cc\u0646\u200c\u0627\u0644\u0645\u0644\u0644\u06cc \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc EN 12266-1 \u0648 ISO 5208 \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u06a9\u0647 \u0627\u0632 \u0645\u0646\u0637\u0642 \u0645\u0634\u0627\u0628\u0647\u06cc \u0628\u0627 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0645\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n

    \u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u062f\u0631 \u0637\u0648\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0635\u0646\u062f\u0644\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0627\u0632 \u0647\u0648\u0627\u060c \u0622\u0628 \u06cc\u0627 \u0646\u06cc\u062a\u0631\u0648\u0698\u0646 \u062f\u0631 \u0641\u0634\u0627\u0631 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u0628\u0627 \u0634\u06cc\u0631 \u062f\u0631 \u062d\u0627\u0644\u062a \u0628\u0633\u062a\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n

    \u0646\u062a\u06cc\u062c\u0647\u060c \u0645\u0639\u06cc\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0622\u0646 \u0634\u06cc\u0631 \u062f\u0631 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0645\u0641\u06cc\u062f\u0634 \u0627\u0633\u062a.<\/p>\n\n\n\n

    \u062d\u062f\u0627\u06a9\u062b\u0631 \u0646\u0631\u062e \u0646\u0634\u062a \u0628\u0631\u0627\u06cc \u0647\u0631 \u06a9\u0644\u0627\u0633 \u0686\u0642\u062f\u0631 \u0627\u0633\u062a\u061f<\/strong><\/h2>\n\n\n\n

    \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u06cc\u0632\u0627\u0646 \u0646\u0634\u062a<\/strong> \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0644\u0627\u0633 \u0627\u0634\u062a\u0628\u0627\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u0632 \u062f\u0633\u062a \u0631\u0641\u062a\u0646 \u0645\u062d\u0635\u0648\u0644\u060c \u062d\u0648\u0627\u062f\u062b \u0627\u06cc\u0645\u0646\u06cc \u06cc\u0627 \u0639\u062f\u0645 \u0631\u0639\u0627\u06cc\u062a \u0645\u0642\u0631\u0631\u0627\u062a \u0634\u0648\u062f.<\/p>\n\n\n\n

    \u062c\u062f\u0648\u0644 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0627\u0631\u062a\u0628\u0627\u0637 \u0631\u0627 \u0628\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u062f\u0627\u0631\u0646\u062f\u060c \u067e\u0648\u0634\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f:<\/p>\n\n\n\n

    \u06a9\u0644\u0627\u0633<\/strong><\/th>\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f<\/strong><\/th>\u062d\u062f\u0627\u06a9\u062b\u0631 \u0646\u0634\u062a<\/strong><\/th>\u0645\u062d\u06cc\u0637 \u0622\u0632\u0645\u0627\u06cc\u0634<\/strong><\/th>\u0646\u0648\u0639 \u0634\u06cc\u0631 \u0645\u0639\u0645\u0648\u0644\u06cc<\/strong><\/th><\/tr><\/thead>
    \u06a9\u0644\u0627\u0633 \u0686\u0647\u0627\u0631\u0645<\/td>ANSI\/FCI 70-2<\/td>0.01% \u0638\u0631\u0641\u06cc\u062a \u062c\u0631\u06cc\u0627\u0646 \u0646\u0627\u0645\u06cc<\/td>\u0647\u0648\u0627 \u06cc\u0627 \u0622\u0628<\/td>\u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0627\u0644\u0627 (HPBV)\u060c \u062f\u0648 \u0622\u0641\u0633\u062a<\/td><\/tr>
    \u06a9\u0644\u0627\u0633 \u067e\u0646\u062c\u0645<\/td>ANSI\/FCI 70-2<\/td>\u06f5 \u00d7 \u06f1\u06f0\u207b\u2074 \u0645\u06cc\u0644\u06cc\u200c\u0644\u06cc\u062a\u0631 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 \u0628\u0647 \u0627\u0632\u0627\u06cc \u0647\u0631 psi \u0628\u0647 \u0627\u0632\u0627\u06cc \u0647\u0631 \u0627\u06cc\u0646\u0686 \u0627\u0632 \u0642\u0637\u0631 \u062f\u0631\u06cc\u0686\u0647<\/td>\u0622\u0628 \u062f\u0631 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0641\u0634\u0627\u0631 \u062a\u0641\u0627\u0636\u0644\u06cc<\/td>\u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0633\u0647\u200c\u06af\u0627\u0646\u0647 \u0622\u0641\u0633\u062a (TOV)\u060c \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0641\u0644\u0632\u06cc \u062f\u0642\u06cc\u0642<\/td><\/tr>
    \u06a9\u0644\u0627\u0633 \u0634\u0634\u0645<\/strong><\/td>ANSI\/FCI 70-2<\/td>\u062d\u0628\u0627\u0628\u200c\u0628\u0646\u062f\u061b \u062d\u0628\u0627\u0628\u200c\u0647\u0627\u06cc \u0645\u062c\u0627\u0632 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u0646\u062f\u0627\u0632\u0647 \u0634\u06cc\u0631<\/td>\u0647\u0648\u0627 \u06cc\u0627 \u0646\u06cc\u062a\u0631\u0648\u0698\u0646 \u062f\u0631 \u0641\u0634\u0627\u0631 \u06f4\u06f5 \u062a\u0627 \u06f5\u06f0 psi<\/td>\u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0627\u0631\u062a\u062c\u0627\u0639\u06cc ( \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0646\u0631\u0645)<\/td><\/tr>
    API 598 \u0641\u0644\u0632<\/td>API 598<\/td>\u0642\u0637\u0631\u0647 \u06cc\u0627 \u062d\u0628\u0627\u0628 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 - \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u0634\u06cc\u0631 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f<\/td>\u0647\u0648\u0627 \u06cc\u0627 \u0622\u0628<\/td>\u0634\u06cc\u0631\u0647\u0627\u06cc \u0627\u06cc\u0632\u0648\u0644\u0647 \u062a\u0645\u0627\u0645 \u0641\u0644\u0632\u06cc \u062c\u062f\u06cc\u062f<\/td><\/tr>
    API 598 \u0645\u0642\u0627\u0648\u0645<\/strong><\/td>API 598<\/td>\u0646\u0634\u062a\u06cc \u0635\u0641\u0631 \u062f\u0631 \u0637\u0648\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647<\/td>\u0647\u0648\u0627 \u06cc\u0627 \u0622\u0628<\/td>\u0634\u06cc\u0631\u0647\u0627\u06cc \u0627\u06cc\u0632\u0648\u0644\u0647 \u06a9\u0627\u0645\u0644\u0627\u064b \u062c\u062f\u06cc\u062f \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0646\u0631\u0645<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc I \u062a\u0627 III \u0628\u0647 \u0646\u062f\u0631\u062a \u0628\u0631\u0627\u06cc \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u06a9\u0644\u0627\u0633 IV \u062d\u062f\u0627\u0642\u0644 \u0639\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u0637\u0631\u062d\u200c\u0647\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0641\u0644\u0632\u06cc \u0627\u0633\u062a. \u06a9\u0644\u0627\u0633 VI \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0628\u0631\u0627\u06cc \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0646\u0631\u0645 \u0627\u0633\u062a.<\/p>\n\n\n\n

    \u06a9\u0644\u0627\u0633 IV \u0627\u062c\u0627\u0632\u0647 \u0646\u0634\u062a \u062a\u0627 0.01% \u0627\u0632 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0638\u0631\u0641\u06cc\u062a \u062c\u0631\u06cc\u0627\u0646 \u0646\u0627\u0645\u06cc \u0634\u06cc\u0631 \u0631\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f. \u06a9\u0644\u0627\u0633 VI (soft-seated) \u0646\u0634\u062a \u0631\u0627 \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u0645\u0634\u062e\u0635\u06cc \u062d\u0628\u0627\u0628 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u0646\u062f\u0627\u0632\u0647 \u0634\u06cc\u0631 \u0645\u062d\u062f\u0648\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 2 \u0627\u06cc\u0646\u0686\u060c \u0627\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 0.15 \u0645\u06cc\u0644\u06cc\u200c\u0644\u06cc\u062a\u0631 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 \u0627\u0633\u062a. \u062f\u0631 8 \u0627\u06cc\u0646\u0686\u060c \u0627\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0628\u0647 1.70 \u0645\u06cc\u0644\u06cc\u200c\u0644\u06cc\u062a\u0631 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f.<\/p>\n\n\n\n

    \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f<\/em><\/strong>\u0647\u0645\u06cc\u0634\u0647 \u0641\u0634\u0627\u0631 \u0648 \u0633\u06cc\u0627\u0644 \u062a\u0633\u062a \u0631\u0627 \u0631\u0648\u06cc \u0628\u0631\u06af\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0634\u06cc\u0631 \u062a\u0623\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u062f. \u0631\u062a\u0628\u0647\u200c\u0628\u0646\u062f\u06cc \u06a9\u0644\u0627\u0633 VI \u06a9\u0647 \u062f\u0631 50 psi \u0622\u0632\u0645\u0627\u06cc\u0634 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0645\u0639\u0627\u062f\u0644 \u0631\u062a\u0628\u0647\u200c\u0628\u0646\u062f\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0634\u062f\u0647 \u062f\u0631 80 psi \u0646\u06cc\u0633\u062a.<\/em><\/p>\n\n\n\n\n\n\n \u0645\u062d\u0635\u0648\u0644 \u0628\u0631\u062c\u0633\u062a\u0647 \u0642\u0647\u0631\u0645\u0627\u0646<\/title>\n <style>\n \/* Added !important tags to prevent WordPress themes from injecting unwanted underlines *\/\n .hero-card, .hero-card:hover, .hero-card:focus {\n display: flex;\n flex-wrap: wrap;\n align-items: center;\n background: #f7f8fa;\n border-radius: 16px;\n box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n padding: 24px;\n max-width: 900px;\n margin: 40px auto;\n font-family: 'Poppins', Arial, sans-serif;\n text-decoration: none !important; \n color: inherit;\n }\n\n .hero-image {\n width: 220px;\n height: auto;\n border-radius: 12px;\n object-fit: cover;\n flex-shrink: 0;\n }\n\n .hero-content {\n padding-left: 24px;\n flex: 1;\n min-width: 260px;\n }\n\n .hero-title {\n font-size: 1.6rem;\n font-weight: bold;\n margin-bottom: 12px;\n color: #222;\n font-family: 'Poppins', sans-serif; \n }\n\n .hero-description {\n font-size: 1rem;\n color: #555;\n margin-bottom: 18px;\n line-height: 1.6;\n }\n\n .hero-link {\n display: inline-block;\n padding: 10px 20px;\n background-color: #0066cc;\n color: #fff !important;\n text-decoration: none !important;\n border-radius: 8px;\n font-weight: bold;\n transition: background 0.2s ease-in-out;\n }\n\n .hero-link:hover {\n background-color: #004c99;\n }\n\n @media (max-width: 640px) {\n .hero-card {\n flex-direction: column;\n text-align: center;\n }\n\n .hero-content {\n padding-left: 0;\n padding-top: 20px;\n }\n\n .hero-image {\n width: 100%;\n max-width: 280px;\n }\n }\n <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tgvalve.com\/fa\/product\/double-offset-butterfly-valve\/\" target=\"_blank\">\n <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/tgvalve.b-cdn.net\/wp-content\/uploads\/2025\/06\/Double-Offset-Butterfly-Valve-480x480.webp\" alt=\"\u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u06cc \u062f\u0648 \u0637\u0631\u0641\u0647\">\n <div class=\"hero-content\">\n <div class=\"hero-title\">\u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u06cc \u062f\u0648 \u0637\u0631\u0641\u0647<\/div>\n <div class=\"hero-description\">\n <strong>\u062f\u06cc\u0633\u06a9:<\/strong> WCB\u060c SS\u060c C958<br>\n <strong>\u0633\u0627\u0642\u0647:<\/strong> 2Cr13\u060c SS304\u060c SS316\u060c \u0645\u0648\u0646\u0644\n <\/div>\n <span class=\"hero-link\">\u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u062d\u0635\u0648\u0644<\/span>\n <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0645\u0642\u0627\u06cc\u0633\u0647 \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0646\u0631\u0645 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0641\u0644\u0632\u06cc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062c\u0646\u0633 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647\u060c \u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u0639\u0627\u0645\u0644 \u062f\u0631 \u062a\u0639\u06cc\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0646\u0634\u062a\u06cc \u0634\u06cc\u0631 \u0627\u0633\u062a. \u0647\u0631 \u062f\u0648 \u0646\u0648\u0639 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647\u060c \u0634\u0631\u0627\u06cc\u0637 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0646\u0631\u0645<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/fa\/product\/ptfe-lined-concentric-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0634\u06cc\u0631\u0647\u0627\u06cc \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0646\u0631\u0645<\/a> \u0627\u0632 \u0645\u0648\u0627\u062f \u0627\u0644\u0627\u0633\u062a\u0648\u0645\u0631\u06cc \u06cc\u0627 \u067e\u0644\u06cc\u0645\u0631\u06cc \u0628\u0631\u0627\u06cc \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0645\u0648\u0627\u062f \u0631\u0627\u06cc\u062c \u0634\u0627\u0645\u0644 EPDM\u060c NBR\u060c PTFE\u060c \u0646\u0626\u0648\u067e\u0631\u0646 \u0648 \u0648\u0627\u06cc\u062a\u0648\u0646 \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0642\u062a\u06cc \u062f\u06cc\u0633\u06a9 \u0628\u0633\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0646\u0631\u0645 \u06a9\u0645\u06cc \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0644\u0628\u0647 \u062f\u06cc\u0633\u06a9 \u062a\u063a\u06cc\u06cc\u0631 \u0634\u06a9\u0644 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0627\u06cc\u0646 \u06cc\u06a9 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0645\u0637\u0627\u0628\u0642 \u0648 \u0628\u062f\u0648\u0646 \u062d\u0628\u0627\u0628 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06cc\u0646 \u0634\u06cc\u0631\u0647\u0627 \u062f\u0631 \u062a\u0635\u0641\u06cc\u0647 \u0622\u0628\u060c \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062a\u0647\u0648\u06cc\u0647 \u0645\u0637\u0628\u0648\u0639\u060c \u0641\u0631\u0622\u0648\u0631\u06cc \u0645\u0648\u0627\u062f \u063a\u0630\u0627\u06cc\u06cc \u0648 \u062e\u062f\u0645\u0627\u062a \u0639\u0645\u0648\u0645\u06cc \u0628\u0647\u062a\u0631\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u062f\u0627\u0631\u0646\u062f. \u0641\u0634\u0627\u0631 \u06a9\u0627\u0631\u06cc \u0645\u0639\u0645\u0648\u0644 \u062a\u0627 16 \u0628\u0627\u0631 \u0627\u0633\u062a \u0648 \u062f\u0645\u0627 \u0632\u06cc\u0631 200 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u06af\u0631\u0627\u062f \u0628\u0627\u0642\u06cc \u0645\u06cc\u200c\u0645\u0627\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062f\u0631 \u0645\u062d\u06cc\u0637\u200c\u0647\u0627\u06cc \u0628\u0627 \u062f\u0645\u0627\u06cc \u0628\u0627\u0644\u0627 \u06cc\u0627 \u0633\u0627\u06cc\u0646\u062f\u0647\u060c \u0646\u0634\u062a \u0635\u0641\u0631 \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0646\u0631\u0645 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u06cc\u0627\u0628\u06cc \u0646\u06cc\u0633\u062a. \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u060c \u06cc\u06a9 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0641\u0644\u0632\u06cc \u062f\u0631 \u06a9\u0644\u0627\u0633 IV \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0639\u0645\u0644\u06cc \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u06a9\u0644\u0627\u0633 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u06cc\u0627\u0628\u06cc<\/strong>\u06a9\u0644\u0627\u0633 \u0634\u0634\u0645 (ANSI\/FCI 70-2)<strong> <\/strong>\u06cc\u0627 \u0646\u0634\u062a \u0635\u0641\u0631 \u0637\u0628\u0642 API 598 Resilient*. \u0647\u0631 \u062f\u0648 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 <strong>\u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u062f\u0648\u0646 \u0646\u0634\u062a\u06cc<\/strong> \u062a\u062d\u062a \u0634\u0631\u0627\u06cc\u0637 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u06a9\u0627\u0631\u062e\u0627\u0646\u0647.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f<\/em><\/strong><em>API 598 Resilient \u0628\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0622\u0632\u0645\u0627\u06cc\u0634\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0645\u0648\u0633\u0633\u0647 \u0646\u0641\u062a \u0622\u0645\u0631\u06cc\u06a9\u0627 (API) \u0628\u0631\u0627\u06cc \u0634\u06cc\u0631\u0647\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0646\u0631\u0645 \u062a\u0639\u06cc\u06cc\u0646 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u062f.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0641\u0644\u0632\u06cc<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/fa\/product\/metal-to-metal-triple-offset-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0634\u06cc\u0631\u0647\u0627\u06cc \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0641\u0644\u0632\u06cc<\/a> \u0628\u0631\u0627\u06cc \u0633\u0637\u062d \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0627\u0632 \u0641\u0648\u0644\u0627\u062f \u0636\u062f \u0632\u0646\u06af\u060c \u0631\u0648\u06a9\u0634 \u0633\u062e\u062a \u0627\u0633\u062a\u0644\u0627\u06cc\u062a\u060c \u0627\u06cc\u0646\u06a9\u0648\u0646\u0644 \u06cc\u0627 \u0622\u0644\u06cc\u0627\u0698\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u06a9\u0627\u0646\u06cc\u0632\u0645 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc\u060c \u062a\u0645\u0627\u0633 \u0641\u0644\u0632 \u0628\u0627 \u0641\u0644\u0632 \u0627\u0633\u062a. \u062f\u06cc\u0633\u06a9 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u06cc\u06a9 \u062d\u0644\u0642\u0647 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u06a9\u0647 \u0628\u0647 \u062f\u0642\u062a \u0645\u0627\u0634\u06cc\u0646\u06a9\u0627\u0631\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0628\u0633\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0646\u0634\u062a\u200c\u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0633\u0637\u062d\u06cc \u0637\u0628\u06cc\u0639\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0641\u0644\u0632\u06cc\u060c \u0628\u062e\u0627\u0631 \u0628\u0627 \u062f\u0645\u0627\u06cc \u0628\u0627\u0644\u0627\u060c \u0633\u0631\u0648\u06cc\u0633\u200c\u0647\u0627\u06cc \u0628\u0631\u0648\u062f\u062a\u06cc\u060c \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0645\u0642\u0627\u0648\u0645 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0622\u062a\u0634 \u0648 \u0645\u062d\u06cc\u0637\u200c\u0647\u0627\u06cc \u062e\u0648\u0631\u0646\u062f\u0647 \u0631\u0627 \u062a\u062d\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u06a9\u0627\u0631 \u0628\u0627 \u0633\u06cc\u06a9\u0644 \u0628\u0627\u0644\u0627\u060c \u0645\u0642\u0627\u0648\u0645\u062a \u0628\u0647\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0632\u06cc\u062a \u0627\u06cc\u0646 \u0631\u0648\u0634\u060c \u0646\u0634\u062a\u06cc \u0628\u06cc\u0634\u062a\u0631 \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u0637\u0631\u062d\u200c\u0647\u0627\u06cc \u0628\u0627 \u0633\u06cc\u062a \u0646\u0631\u0645 \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u0627\u06a9\u062b\u0631 \u0648\u0638\u0627\u06cc\u0641 \u0627\u06cc\u0632\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0628\u062d\u0631\u0627\u0646\u06cc\u060c \u06a9\u0644\u0627\u0633 IV \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u06a9\u0644\u0627\u0633 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u06cc\u0627\u0628\u06cc<\/strong>: \u0645\u0639\u0645\u0648\u0644\u0627\u064b <strong>\u06a9\u0644\u0627\u0633 \u0686\u0647\u0627\u0631\u0645<\/strong> \u062a\u062d\u062a \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ANSI\/FCI 70-2. \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0633\u0647\u200c\u06af\u0627\u0646\u0647 \u0622\u0641\u0633\u062a (TOV) \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0628\u0627 \u067e\u0648\u0634\u0634 \u062f\u0642\u06cc\u0642 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 ... \u0628\u0631\u0633\u0646\u062f. <strong>\u06a9\u0644\u0627\u0633 \u067e\u0646\u062c\u0645<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u0648\u06cc\u0698\u06af\u06cc<\/strong><\/th><th><strong>\u0646\u0631\u0645 \u0648 \u0631\u0627\u062d\u062a<\/strong><\/th><th><strong>\u0641\u0644\u0632\u06cc-\u0646\u0634\u06cc\u0645\u0646<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc<\/td><td>\u06a9\u0644\u0627\u0633 VI \/ API 598 \u0645\u0642\u0627\u0648\u0645 (\u0628\u062f\u0648\u0646 \u0646\u0634\u062a\u06cc)<\/td><td>\u06a9\u0644\u0627\u0633 IV (\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f)\u060c \u06a9\u0644\u0627\u0633 V (TOV \u062f\u0642\u06cc\u0642)<\/td><\/tr><tr><td>\u0645\u062d\u062f\u0648\u062f\u0647 \u062f\u0645\u0627<\/td><td>\u062a\u0627 \u062d\u062f\u0648\u062f \u06f2\u06f0\u06f0 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u06af\u0631\u0627\u062f<\/td><td>\u0628\u0633\u062a\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0622\u0644\u06cc\u0627\u0698\u060c \u0627\u0632 \u06f1\u06f9\u06f6- \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u06af\u0631\u0627\u062f \u062a\u0627 \u06f6\u06f0\u06f0+ \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u06af\u0631\u0627\u062f<\/td><\/tr><tr><td>\u0645\u0646\u0627\u0633\u0628 \u0628\u0648\u062f\u0646 \u0631\u0633\u0627\u0646\u0647<\/td><td>\u0622\u0628\u060c \u0645\u0627\u06cc\u0639\u0627\u062a \u062a\u0647\u0648\u06cc\u0647 \u0645\u0637\u0628\u0648\u0639\u060c \u0645\u0627\u06cc\u0639\u0627\u062a \u0628\u0627 \u062f\u0631\u062c\u0647 \u063a\u0630\u0627\u06cc\u06cc\u060c \u0645\u0648\u0627\u062f \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0645\u0644\u0627\u06cc\u0645<\/td><td>\u0628\u062e\u0627\u0631\u060c \u0645\u0648\u0627\u062f \u0633\u0631\u0645\u0627\u0632\u0627\u060c \u0647\u06cc\u062f\u0631\u0648\u06a9\u0631\u0628\u0646\u200c\u0647\u0627\u060c \u0645\u062d\u06cc\u0637\u200c\u0647\u0627\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f\u06cc \u062e\u0648\u0631\u0646\u062f\u0647<\/td><\/tr><tr><td>\u0639\u0645\u0631 \u0635\u0646\u062f\u0644\u06cc<\/td><td>\u0645\u062a\u0648\u0633\u0637\u061b \u0633\u0627\u06cc\u0634 \u0635\u0646\u062f\u0644\u06cc \u062f\u0631 \u0637\u0648\u0644 \u06a9\u0627\u0631\u06a9\u0631\u062f \u0628\u0627 \u062f\u0648\u0631 \u0645\u0648\u062a\u0648\u0631 \u0628\u0627\u0644\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f<\/td><td>\u0637\u0648\u0644\u0627\u0646\u06cc\u061b \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0633\u0627\u06cc\u0634 \u062a\u062d\u062a \u0641\u0634\u0627\u0631 \u0648 \u062f\u0645\u0627\u06cc \u0628\u0627\u0644\u0627 \u0645\u0642\u0627\u0648\u0645\u062a \u0645\u06cc\u200c\u06a9\u0646\u062f<\/td><\/tr><tr><td>\u0628\u0647\u062a\u0631\u06cc\u0646 \u0627\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646<\/td><td>\u062a\u0635\u0641\u06cc\u0647 \u0622\u0628\u060c \u062a\u0647\u0648\u06cc\u0647 \u0645\u0637\u0628\u0648\u0639\u060c \u062a\u0632\u0631\u06cc\u0642 \u0645\u0648\u0627\u062f \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc\u060c \u0627\u06cc\u0632\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0639\u0645\u0648\u0645\u06cc<\/td><td>\u067e\u0627\u0644\u0627\u06cc\u0634\u06af\u0627\u0647\u060c \u062a\u0648\u0644\u06cc\u062f \u0628\u0631\u0642\u060c LNG\u060c \u062e\u062f\u0645\u0627\u062a \u0627\u06cc\u0645\u0646\u06cc \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0622\u062a\u0634<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0639\u0648\u0627\u0645\u0644 \u06a9\u0644\u06cc\u062f\u06cc \u0645\u0624\u062b\u0631 \u0628\u0631 \u0646\u0634\u062a\u06cc \u0634\u06cc\u0631 \u062f\u0631 \u062d\u06cc\u0646 \u0633\u0631\u0648\u06cc\u0633<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"656\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-1200x656.webp\" alt=\"\u0627\u06cc\u0646\u0641\u0648\u06af\u0631\u0627\u0641\u06cc\u06a9\u06cc \u06a9\u0647 5 \u0639\u0627\u0645\u0644 \u0645\u0624\u062b\u0631 \u0628\u0631 \u0646\u0634\u062a\u06cc \u0634\u06cc\u0631 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635 \u0634\u0631\u062d \u0645\u06cc\u200c\u062f\u0647\u062f.\" class=\"wp-image-2513\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-1200x656.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-500x273.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-300x164.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-768x420.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-1536x839.webp 1536w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-137x75.webp 137w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-480x262.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-800x437.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions.webp 1999w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0646\u0634\u062a\u06cc \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0633\u0648\u067e\u0627\u067e<\/strong> \u062f\u0631 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0645\u0641\u06cc\u062f \u06cc\u06a9 \u0634\u06cc\u0631 \u062b\u0627\u0628\u062a \u0646\u0645\u06cc\u200c\u0645\u0627\u0646\u062f. \u0639\u0648\u0627\u0645\u0644 \u0645\u062a\u0639\u062f\u062f\u06cc \u0628\u0631 \u0645\u06cc\u0632\u0627\u0646 \u062d\u0641\u0638 \u06a9\u0644\u0627\u0633 \u0646\u0627\u0645\u06cc \u06cc\u06a9 \u0634\u06cc\u0631 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0648\u0627\u0642\u0639\u06cc \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062c\u0646\u0633 \u0648 \u0633\u062e\u062a\u06cc \u0635\u0646\u062f\u0644\u06cc.<\/strong> \u0627\u0644\u0627\u0633\u062a\u0648\u0645\u0631\u0647\u0627\u06cc \u0646\u0631\u0645\u200c\u062a\u0631 \u062f\u0631 \u0641\u0634\u0627\u0631\u0647\u0627\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0628\u0647\u062a\u0631 \u0634\u06a9\u0644 \u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f. \u0641\u0644\u0632\u0627\u062a \u0633\u062e\u062a\u200c\u062a\u0631 \u062f\u0648\u0627\u0645 \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f \u0627\u0645\u0627 \u0646\u0642\u0635 \u0633\u0637\u062d\u06cc \u06a9\u0645\u062a\u0631\u06cc \u0631\u0627 \u062a\u062d\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/li>\n\n\n\n<li><strong>\u0647\u0646\u062f\u0633\u0647 \u062f\u06cc\u0633\u06a9.<\/strong> \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \u0648<a href=\"https:\/\/www.tgvalve.com\/fa\/product-category\/butterfly-valve\/triple-offset-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"> \u0627\u0641\u0633\u062a \u0633\u0647\u200c\u06af\u0627\u0646\u0647<\/a> \u0637\u0631\u0627\u062d\u06cc \u062f\u06cc\u0633\u06a9\u200c\u0647\u0627 \u0627\u0635\u0637\u06a9\u0627\u06a9 \u062a\u0645\u0627\u0633\u06cc \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0627\u0639\u062b \u06a9\u0627\u0647\u0634 \u0633\u0627\u06cc\u06cc\u062f\u06af\u06cc \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0648 \u0628\u0647\u0628\u0648\u062f \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u062f\u0631 \u0637\u0648\u0644 \u0686\u0631\u062e\u0647\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0645\u062a\u0639\u062f\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li><strong>\u0641\u0634\u0627\u0631 \u062f\u06cc\u0641\u0631\u0627\u0646\u0633\u06cc\u0644\u06cc.<\/strong> \u0648\u0642\u062a\u06cc \u0627\u062e\u062a\u0644\u0627\u0641 \u0641\u0634\u0627\u0631 \u062f\u0631 \u0634\u06cc\u0631 \u0628\u0633\u062a\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f\u060c \u0646\u0634\u062a\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f. \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06a9\u0644\u0627\u0633 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u062f\u0631 \u0627\u062e\u062a\u0644\u0627\u0641 \u0641\u0634\u0627\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0648\u0627\u0642\u0639\u06cc \u0634\u0645\u0627 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li><strong>\u062f\u0645\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc.<\/strong> \u06af\u0631\u0645\u0627 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u0627\u0644\u0627\u0633\u062a\u0648\u0645\u0631\u0647\u0627 \u0628\u0647 \u0645\u0631\u0648\u0631 \u0632\u0645\u0627\u0646 \u0633\u062e\u062a \u0634\u0648\u0646\u062f \u06cc\u0627 \u062e\u0632\u0634 \u06a9\u0646\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0647\u0646\u062f\u0633\u0647 \u062a\u0645\u0627\u0633 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u06cc\u06a9\u067e\u0627\u0631\u0686\u06af\u06cc \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/li>\n\n\n\n<li><strong>\u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0628\u0627 \u0631\u0633\u0627\u0646\u0647.<\/strong> \u0645\u0627\u06cc\u0639\u0627\u062a \u062e\u0648\u0631\u0646\u062f\u0647 \u06cc\u0627 \u0633\u0627\u06cc\u0646\u062f\u0647 \u0628\u0647 \u0633\u0637\u0648\u062d \u0635\u0646\u062f\u0644\u06cc \u062d\u0645\u0644\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0632\u0628\u0631\u06cc \u0633\u0637\u062d \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f \u0648 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0622\u0646 \u0646\u0634\u062a\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li><strong>\u06af\u0634\u062a\u0627\u0648\u0631 \u0645\u062d\u0631\u06a9.<\/strong> \u06cc\u06a9 \u0645\u062d\u0631\u06a9 \u0628\u0627 \u06af\u0634\u062a\u0627\u0648\u0631 \u06a9\u0645\u060c \u0645\u0627\u0646\u0639 \u0627\u0632 \u0642\u0631\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0627\u0645\u0644 \u062f\u06cc\u0633\u06a9 \u062f\u0631 \u062c\u0627\u06cc \u062e\u0648\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u06cc\u06a9 \u0645\u062d\u0631\u06a9 \u0628\u0627 \u06af\u0634\u062a\u0627\u0648\u0631 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f\u060c \u0633\u0627\u06cc\u0634 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0631\u0627 \u062a\u0633\u0631\u06cc\u0639 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0647\u0631 \u062f\u0648 \u0646\u062a\u06cc\u062c\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u0646\u062f. <strong>\u0646\u0634\u062a\u06cc \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc<\/strong> \u062f\u0631 \u0637\u0648\u0644 \u0632\u0645\u0627\u0646.<\/li>\n\n\n\n<li><strong>\u062a\u0627\u0631\u06cc\u062e\u0686\u0647 \u062a\u0639\u0645\u06cc\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc.<\/strong> \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0641\u0631\u0633\u0648\u062f\u0647\u200c\u0627\u06cc \u06a9\u0647 \u062a\u0639\u0648\u06cc\u0636 \u0646\u0634\u062f\u0647\u200c\u0627\u0646\u062f\u060c \u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u0627\u0648\u0644\u06cc\u0647 \u062e\u0648\u062f \u0631\u0627 \u062d\u0641\u0638 \u0646\u062e\u0648\u0627\u0647\u0646\u062f \u06a9\u0631\u062f. \u0628\u0627\u0632\u0631\u0633\u06cc\u200c\u0647\u0627\u06cc \u062f\u0648\u0631\u0647\u200c\u0627\u06cc \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0631\u0627 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u06a9\u0627\u0631\u06a9\u0631\u062f \u0628\u0627 \u0633\u06cc\u06a9\u0644 \u0628\u0627\u0644\u0627 \u06cc\u0627 \u062e\u0648\u0631\u062f\u06af\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0631\u06cc\u0632\u06cc \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0686\u06af\u0648\u0646\u0647 \u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f \u062e\u0648\u062f \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u061f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0627 \u062f\u0631\u06a9 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f \u0634\u0645\u0627 \u0622\u063a\u0627\u0632 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u06a9\u0644\u0627\u0633 VI \u06cc\u0627 API 598 Resilient \u0631\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u062f<\/strong> \u0628\u0631\u0627\u06cc \u0622\u0628 \u0622\u0634\u0627\u0645\u06cc\u062f\u0646\u06cc\u060c \u062a\u0632\u0631\u06cc\u0642 \u0645\u0648\u0627\u062f \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0648 \u0647\u0631\u06af\u0648\u0646\u0647 \u0633\u0631\u0648\u06cc\u0633\u06cc \u06a9\u0647 \u0646\u0634\u062a \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u062f\u0631 \u0622\u0646 \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 \u0646\u06cc\u0633\u062a. \u0637\u0631\u0627\u062d\u06cc \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0646\u0631\u0645 \u062f\u0631 \u0627\u06a9\u062b\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0627\u06cc\u0646 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li><strong>\u06a9\u0644\u0627\u0633 IV (\u0641\u0644\u0632 API 598) \u0631\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u062f<\/strong> \u0628\u0631\u0627\u06cc \u0628\u062e\u0627\u0631 \u0628\u0627 \u062f\u0645\u0627\u06cc \u0628\u0627\u0644\u0627\u060c \u062e\u062f\u0645\u0627\u062a \u0627\u06cc\u0645\u0646 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0622\u062a\u0634 \u0648 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u067e\u0627\u0644\u0627\u06cc\u0634\u06af\u0627\u0647\u06cc \u06a9\u0647 \u0627\u0644\u0627\u0633\u062a\u0648\u0645\u0631\u0647\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0631 \u0622\u0646\u0647\u0627 \u062f\u0648\u0627\u0645 \u0628\u06cc\u0627\u0648\u0631\u0646\u062f.<\/li>\n\n\n\n<li><strong>\u06a9\u0644\u0627\u0633 V \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f<\/strong> \u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062d\u0633\u0627\u0633\u06cc\u062a \u0641\u0631\u0622\u06cc\u0646\u062f\u060c \u0647\u0632\u06cc\u0646\u0647 \u0627\u0636\u0627\u0641\u06cc \u0631\u0627 \u062a\u0648\u062c\u06cc\u0647 \u06a9\u0646\u062f. \u067e\u0627\u06cc\u0627\u0646\u0647\u200c\u0647\u0627\u06cc LNG\u060c \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0628\u062e\u0627\u0631 \u0646\u06cc\u0631\u0648\u06af\u0627\u0647\u200c\u0647\u0627 \u0648 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0648\u0638\u0627\u06cc\u0641 \u067e\u062a\u0631\u0648\u0634\u06cc\u0645\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f.<\/li>\n\n\n\n<li><strong>\u0634\u0631\u0627\u06cc\u0637 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0627 \u062a\u0623\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u062f.<\/strong> \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06a9\u0644\u0627\u0633 \u0630\u06a9\u0631 \u0634\u062f\u0647 \u062f\u0631 \u0628\u0631\u06af\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u0627 \u0641\u0634\u0627\u0631 \u062a\u0633\u062a \u0648 \u0633\u06cc\u0627\u0644 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0628\u0627\u0632\u0631\u0633\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/li>\n\n\n\n<li><strong>\u062f\u0631\u062e\u0648\u0627\u0633\u062a \u06af\u0648\u0627\u0647\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647<\/strong> \u0628\u0627 \u0647\u0631 \u0633\u0641\u0627\u0631\u0634. \u0627\u06cc\u0646 \u06af\u0648\u0627\u0647\u06cc \u062a\u0623\u06cc\u06cc\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0634\u06cc\u0631 \u0639\u0631\u0636\u0647 \u0634\u062f\u0647 \u0642\u0628\u0644 \u0627\u0632 \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u0633\u0627\u06cc\u062a \u0634\u0645\u0627\u060c \u06a9\u0644\u0627\u0633 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0646\u062a\u06cc\u062c\u0647\u200c\u06af\u06cc\u0631\u06cc<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"652\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-1200x652.webp\" alt=\"\u062a\u0635\u0648\u06cc\u0631\u06cc \u0627\u0632 \u06cc\u06a9 \u0645\u0647\u0646\u062f\u0633 \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0635\u0646\u0639\u062a\u06cc \u06a9\u0647 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u0634\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f \u0635\u062d\u06cc\u062d \u0646\u0634\u062a\u06cc \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0631\u0627\u06cc \u0622\u0628 \u0648 \u0628\u062e\u0627\u0631 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u0634\u0648\u062f\" class=\"wp-image-2514\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-1200x652.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-500x272.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-300x163.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-768x417.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-138x75.webp 138w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-480x261.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-800x435.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0637\u0628\u06cc\u0642 \u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u0628\u0627 \u06a9\u0627\u0631\u0628\u0631\u062f \u0634\u0645\u0627\u060c \u0627\u0632 \u06cc\u06a9\u067e\u0627\u0631\u0686\u06af\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f \u0645\u062d\u0627\u0641\u0638\u062a \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0647\u0632\u06cc\u0646\u0647 \u06a9\u0644 \u0645\u0627\u0644\u06a9\u06cc\u062a \u0631\u0627 \u062f\u0631 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0645\u0641\u06cc\u062f \u0634\u06cc\u0631 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0646\u0631\u0645 \u0628\u0647 \u0646\u0634\u062a\u06cc \u0635\u0641\u0631 \u0628\u0631\u0633\u0646\u062f. \u0627\u06cc\u0646 \u0634\u06cc\u0631\u0647\u0627\u06cc \u0628\u0627 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0646\u0631\u0645 \u0628\u0627 \u0633\u06cc\u062a\u200c\u0647\u0627\u06cc EPDM\u060c PTFE \u06cc\u0627 NBR \u0645\u0637\u0627\u0628\u0642 \u0628\u0627 \u06a9\u0644\u0627\u0633 VI \u062a\u062d\u062a ANSI\/FCI 70-2 \u0648 \u0646\u0634\u062a\u06cc \u0635\u0641\u0631 \u0637\u0628\u0642 API 598 Resilient \u0647\u0633\u062a\u0646\u062f. \u0627\u06cc\u0646 \u0634\u06cc\u0631\u0647\u0627 \u062a\u062d\u062a \u0634\u0631\u0627\u06cc\u0637 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u06a9\u0627\u0631\u062e\u0627\u0646\u0647\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0646\u0634\u062a\u06cc \u0635\u0641\u0631 \u0648\u0627\u062c\u062f \u0634\u0631\u0627\u06cc\u0637 \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0634\u06cc\u0631 TG<\/strong> \u0637\u06cc\u0641 \u06a9\u0627\u0645\u0644\u06cc \u0627\u0632 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u06a9\u0644\u0627\u0633 \u0646\u0634\u062a\u06cc \u0631\u0627 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u062d\u0635\u0648\u0644\u0627\u062a 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\u0642\u0631\u0627\u0631\u06af\u06cc\u0631\u06cc \u0642\u0637\u0639\u0627\u062a) \u062f\u0631 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u062a\u062d\u062a \u0622\u0632\u0645\u0627\u06cc\u0634 \u0646\u0634\u062a\u06cc \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u06af\u0648\u0627\u0647\u06cc\u200c\u0647\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0628\u0646\u0627 \u0628\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0647\u0633\u062a\u0646\u062f. \u062a\u0648\u0644\u06cc\u062f \u0645\u0627 \u0645\u0637\u0627\u0628\u0642 \u0628\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc ISO 9001 \u0627\u0633\u062a\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0634\u06cc\u0631\u0622\u0644\u0627\u062a \u0645\u0627 \u0628\u0627 \u0627\u0644\u0632\u0627\u0645\u0627\u062a API 609\u060c API 607\u060c ISO 10497 \u0648 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u0639\u0644\u0627\u0645\u062a\u200c\u06af\u0630\u0627\u0631\u06cc CE \u0627\u0631\u0648\u067e\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.tgvalve.com\/fa\/contact\/\" style=\"background-color:#1b4ca2\" target=\"_blank\" rel=\"noreferrer noopener\">\u062f\u0631\u06cc\u0627\u0641\u062a \u067e\u06cc\u0634 \u0641\u0627\u06a9\u062a\u0648\u0631 \u0631\u0627\u06cc\u06af\u0627\u0646<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Butterfly valve leakage class is a standardized rating that sets the maximum internal leakage allowed through the valve seat when fully closed. ANSI\/FCI 70-2 and API<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2511,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/posts\/2484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/comments?post=2484"}],"version-history":[{"count":2,"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/posts\/2484\/revisions"}],"predecessor-version":[{"id":2558,"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/posts\/2484\/revisions\/2558"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/media\/2511"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/media?parent=2484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/categories?post=2484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/fa\/wp-json\/wp\/v2\/tags?post=2484"}],"curies":[{"name":"\u0648\u0631\u062f\u067e\u0631\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}